Polaroid PL-126PZ Studio Series Digital TTL Shoe Mount Bounce Flash For The Pentax K-X, K-7, K-5, K-R, 645D, K20D, K200D, K2000, K10D, K2000, K1000, K100D Super, K110D, *ist D, *ist DL, *ist DS, *ist DS2 Digital SLR Cameras Fully Automatic Operation Desined For Today's On The Go Digital Photographer Autofocus Assist Lamp For Accurate Focusing Even In Low Light Situations,,True TTL (Through The Lens) Operation For Seamless Flash Photography Swivel/Bounce Feature + Four Step Zoom For Unlimited Lighting Options Includes Fitted Case + Maximize Your Creativity With The Included Reflector Panel, Auto Sleep Mode For More Shooting Time + Less Charging Time High 42m (137'!) Guide No. at 85mm Zoom/ISO-100, True 90 degree Vertical Bounce & 270 degree Swivel For Maximum Versatility, Fast 0.3 Recycling Time